package com.atguigu.crowd.service.impl;

import com.atguigu.crowd.entity.po.*;
import com.atguigu.crowd.entity.vo.*;
import com.atguigu.crowd.mapper.*;
import com.atguigu.crowd.service.ProjectService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Transactional(readOnly = true)
@Service
public class ProjectServiceImpl implements ProjectService {

    @Resource
    private ProjectPOMapper projectPOMapper;

    @Resource
    private ProjectItemPicPOMapper projectItemPicPOMapper;

    @Resource
    private MemberLaunchInfoPOMapper memberLaunchInfoPOMapper;

    @Resource
    private MemberConfirmInfoPOMapper memberConfirmInfoPOMapper;

    @Resource
    private ReturnPOMapper returnPOMapper;


    @Transactional(readOnly = false,propagation = Propagation.REQUIRES_NEW,rollbackFor = Exception.class)
    @Override
    public void saveProject(ProjectVO projectVO, Integer memberId) {
        //一、保存ProjectPO对象
        //1.创建ProjectPO对象
        ProjectPO projectPO = new ProjectPO();
        //2.projectVO复制属性
        BeanUtils.copyProperties(projectVO, projectPO);


        projectPO.setMemberid(memberId);
        // 生成创建时间
        String createdate = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        projectPO.setCreatedate(createdate);
        projectPO.setDeploydate(createdate);
        //status设置成0
        projectPO.setStatus(0);

        //3.保存projectPO
        //<insert id="insertSelective" useGeneratedKeys="true" keyProperty="id"
        projectPOMapper.insertSelective(projectPO);


        //4.从PeojectPO对象这里获取自增主键
        Integer projectId = projectPO.getId();

        //二、保存项目分类的关联关系信息
        //1.从PeojectVO对象中获取项目分类
        List<Integer> typeIdList = projectVO.getTypeIdList();
        projectPOMapper.insertTypeRelationship(typeIdList,projectId);



        //三、保存项目的标签的关联关系信息
        List<Integer> tagIdList = projectVO.getTagIdList();
        projectPOMapper.insertTagRelationship(tagIdList,projectId);
        //四、保存项目中详情图片路径信息
        List<String> detailPicturePathList = projectVO.getDetailPicturePathList();
        projectItemPicPOMapper.insertPathList(projectId,detailPicturePathList);

        //五、保存项目发起人信息
        MemberLauchInfoVO memberLauchInfoVO = projectVO.getMemberLauchInfoVO();
        MemberLaunchInfoPO memberLaunchInfoPO = new MemberLaunchInfoPO();
        BeanUtils.copyProperties(memberLauchInfoVO,memberLaunchInfoPO);
        memberLaunchInfoPO.setMemberid(memberId);

        memberLaunchInfoPOMapper.insert(memberLaunchInfoPO);
        //六、保存项目回报的信息
        List<ReturnVO> returnVOList = projectVO.getReturnVOList();
        List<ReturnPO> returnPOList = new ArrayList<>();
        for (ReturnVO returnVO: returnVOList) {
            ReturnPO returnPO = new ReturnPO();

            BeanUtils.copyProperties(returnVO, returnPO);

            returnPOList.add(returnPO);
        }



        returnPOMapper.insertReturnPOBatch(projectId,returnPOList);

        //六、保存项目确认信息
        MemberConfirmInfoVO memberConfirmInfoVO = projectVO.getMemberConfirmInfoVO();
        MemberConfirmInfoPO memberConfirmInfoPO = new MemberConfirmInfoPO();
        BeanUtils.copyProperties(memberConfirmInfoVO,memberConfirmInfoPO);
        memberConfirmInfoPO.setMemberid(memberId);
        memberConfirmInfoPOMapper.insert(memberConfirmInfoPO);


    }

    @Override
    public List<PortalTypeVO> getPortalTypeVO() {

        return projectPOMapper.selectPortalTypeVOList();
    }

    @Override
    public DetailProjectVO getDetailProjectVO(Integer projectId) {

        // 1.查询得到 DetailProjectVO 对象
        DetailProjectVO detailProjectVO = projectPOMapper.selectDetailProjectVO(projectId);

        // 2.根据 status 确定 statusText
        Integer status = detailProjectVO.getStatus();
        switch (status) {
            case 0:
                detailProjectVO.setStatusText("审核中");
                break;
            case 1:
                detailProjectVO.setStatusText("众筹中");
                break;
            case 2:
                detailProjectVO.setStatusText("众筹成功");
                break;
            case 3:
                detailProjectVO.setStatusText("已关闭");
                break;
            default:
                break;
        }

        // 3.根据 deployeDate 计算 lastDay
        String deployDate = detailProjectVO.getDeployDate();

        // 获取当前日期
        Date currentDay = new Date();


        // 把众筹日期解析成 Date 类型
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        try {
            Date parse = simpleDateFormat.parse(deployDate);
            // 获取当前当前日期的时间戳
            long currentTime = currentDay.getTime();

            long parseTime = parse.getTime();
            // 两个时间戳相减计算当前已经过去的时间
            long pastDays = (currentTime - parseTime) / 1000 / 60 / 60 / 24;


            // 使用总的众筹天数减去已经过去的天数得到剩余天数
            Integer totalDays = detailProjectVO.getDay();

            Integer lastDay = (int) (totalDays - pastDays);

            detailProjectVO.setLastDay(lastDay);
        } catch (Exception e) {
            e.printStackTrace();
        }

        return detailProjectVO;
    }
}
